byFluck, Richard C; Kushman, Leaton J. (Leaton John), 1919-; United States. Agricultural Research Service. Transportation and Facilities Research Division; North Carolina Agricultural Experiment Station
byHenneberry, T. J; Bariola, L.A., joint author; Fry, K.E., joint author; Kittock, D.L., joint author; University of Arizona. Agricultural Experiment Station; United States. Agricultural Research Service. Western Region
Prepared in cooperation with University of Arizona Agricultural Experiment Station Topics: Cotton Diseases and pests Arizona, Pink bollworm
byWinterfeld, R. G., 1922-; Young, V. D; Deonier, C. E; Getzendaner, C. W; United States. Agricultural Research Service. Agricultural Engineering Research Division; United States. Entomology Research Division
Caption title Topics: Aerial spraying and dusting in agriculture, Spraying equipment, Agricultural chemicals Application,...